Of the total fresh water, 10% is used in homes whereas 90% is used in:

Related Mcqs:

1. The amount of fresh water on our planet is:

   A. 2%
   B. 1%
   C. 3%
   D. 4%

2. Largest amount of fresh water on our planet is contained:

   A. In lakes and streams
   B. In rivers
   C. Underground
   D. On polar ice and glaciers

3. Tamarix-Poplar Forest is a dense thicket of Tamarix spp. With varying number of poplar trees are distributed on fresh silt alluvium of the riverain tract of the Indus between Muzaffargarh and Hyderabad with isolated occurrences as far north as _________

   A. Peshawar
   B. Mardan
   C. Swat
   D. Gilgit

4. Of the total body weight of the organism, water constitutes about:

   A. 50% to 80%
   B. 40% to 60%
   C. 70 to 90%
   D. 80% to 90%

5. When a big fish eats a small fish, which easts water-fleas supported by phytoplankton, the water leas are:

   A. Primary consumers
   B. Producers
   C. Secondary consumers
   D. Top consumers in this food chain

6. The soils that are fully laden with water i.e., water logged, are known are:

   A. Physically dry soils
   B. Physiologically dry soils
   C. Alkaline soils
   D. Acidic soils

7. When a soil has been thoroughly wetted and then allowed to drain until capillary movement of the water has stopped, the water content of the soil will give an estimate of it’s:

   A. Gravitational water
   B. Capillary water
   C. Field capacity
   D. Storage capacity

8. Water-logging is a serious problems, with water-table within _____ over the greater part of the area:

   A. 5m
   B. 6m
   C. 7m
   D. 8m

9. BOD value of sewage water than that of tap water is:

   A. More
   B. Less
   C. Equal
   D. Somewhere more somewhere less

10. As compared to tap water the BOD of sewage polluted water shall be:

    A. High
    B. Low
    C. Same
    D. None of these